Operator Panel Service Check (Models E238, E240, And E240N) - Lexmark E238 Service Manual

4511-xxx
Operator panel service check (models E238, E240, and
E240n)
Inspect the operator panel cable for damage. Make sure the cable is
plugged in securely.
Run POST, and check each light for proper operation. See
Test (POST) sequence" on page
LED Operator panel service check
FRU
Operator panel (LED)
2-92
Service Manual
2-2.
Action
Buttons
Open controller card cage and locate the
operator panel connector at J19.
Check for continuity between pins 1 and 2 of the
cable as you press the Continue
Similarly, check the continuity between pins 1
and 6 of the cable while pressing Cancel
If continuity is not present, replace the operator
panel.
Note: Check margin alignments after replacing
the operator panel assembly. If margin errors
are unacceptable, corrections can only be made
through software. Contact the next level of
support.
"Power-On Self
button.
.